发布于:2006-01-31 11:50:31
来自:施工技术/工程测量
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坐标计算程序
(1) J=90I/Rπ:P=I2/(24R):M=I/2-I³/240/R2:L=Rπ(AbsQ-2J) /180:T=(R+P)tan(AbsQ/2)+M:
(2) Lbl 0
(3) {E,K,W}:K:W:E
(4) D=E-F:D≤0=>Goto 1:≠>D≤I=>Goto 2:≠>D=E-F-I:D≤L=>Goto 3:≠>D=F+2I+L-E:D≥0=>Goto 4:≠>Goto 5 △△△△
(5) Lbl 1
(6) S=E-F:C=Z :U=Z
(7) Goto 6
(8) Lbl 2
(9) U=D-D5/(40R2I2): V=D3/(6RI): A= 90 D2/(RIπ)
(10) Goto 7
(11) Lbl 3
(12) U=M+Rsin(J+180D/Rπ):V=R+P-Rcos(J+180D/Rπ):A=J+180D/R/π
(13) Goto 7
(14) Lbl 7
(15) B=tan-1(V/U):S=√(U2+V2):
(16) Q≤0=> C=Z-B: U=Z-A:≠>C=Z+B: U=Z+AΔ
(17) Goto 6
(18) Lbl 4
(19) U=D-D5/(40R2I2): V=D3/(6RI): B=tan-1(V/U):S=√(U²+V²):A=D2*180/(6RIπ)*3
(20) Q≤0=> C=Z+Q+B+180: U=Z+Q+A:≠>C=Z+Q-B+180:U=Z+Q-AΔ
(21) Goto 8
(22) Lbl 8
(23) X=ScosC+G+TcosZ+Tcos(Z+Q):Y=SsinC+H+TsinZ+Tsin(Z+Q)
(24) Goto 9
(25) Lbl 5
(26) S= (E-F-2I-L):U=Z+Q:C=U
(27) Goto 8
(28) Lbl 6
(29) X=ScosC+G:Y=SsinC+H
(30) Goto 9
(31) Lbl 9
(32) X=X+Wcos(U+K)▲Y=Y+Wsin(U+K)▲
(33) Goto 0
使用说明:E:测设点里程;F:直缓点里程;R:曲线半径;I:缓和曲线长;Z:切线方位角;Q:转向角;G、H:直缓点坐标X、Y;K:边角;W:边桩距离。
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